Air And Fluid Line Accessories; Air Supply Lines; Fill Reservoir - Graco Lube Pro 24Z020 Instructions Manual

28:1 vertical oil pump
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Installation

Air and Fluid Line Accessories

Refer to F
. 1, page 6, for the following instruction.
IG
Install the air line accessories in the order shown in F
1, page 6.
Trapped air can cause the pump to cycle unexpect-
edly which could result in serious injury from moving
parts or splashing.
Bleed-type master air valve (F): Required in the sys-
tem to relieve air trapped between it and the pump.
Air line filter (B1): Removes harmful dirt and moisture
from compressed air supply.
Pump air regulator (B2): To control pump speed and
outlet pressure. Locate it close to the pump.
NOTICE
Do not mount the air accessories directly on the
solenoid valve air inlet. The air inlet and fittings are
not strong enough to support the accessories and
may break. Provide a bracket on which to mount the
accessories.
1. Install a bleed-type master air valve (F) to relieve air
trapped between it and the pump. Install the valve
in a location that is easily accessible from the pump
and located downstream of the air regulator.
2. Install an air line filter (B1) to remove harmful dirt
and contaminants from the compressed air supply.
3. Install the air regulator (B2) to control pressure.
4. Install an air line lubricator (B3) to lubricate the air
cylinder.
5. Install the (3-way) air solenoid valve (C) for control
of the pump forward and return strokes.
The maximum working pressure of each
component in the system may not be the same.
To reduce the risk of over-pressurizing any part of
your system, know the maximum working
pressure rating of each component and its
connected components. Never exceed the
maximum working pressure of the lowest rated
components connected to a particular pump.
8
To use the air regulator reading to determine the fluid
output pressure, multiply the ratio of the pump (28:1)
by the air pressure shown on the regulator gauge or
see Table 1: Lubricant Output and Pressure - US
.
IG
PSI or Table 2: Lubricant Output and Pressure -
Metric MPa (bar), provided on page 13.
Limit the air to the pump so that no air line or fluid line
component or accessory is over pressurized.
Air Supply Lines (U)
1. Install two air supply lines (U) between the air sole-
noid outlets (C) and the pump (D) as shown in
F
. 1, page 6.
IG
2. Install an air supply line (U) between the air solenoid
valve inlet (C) and the Filter/Regulator/Lubricator
Assembly (B) as shown in F

Fill Reservoir

1. Open the oil fill cap (oc) located on the top of the
reservoir.
NOTE: A strainer is installed at the oil fill cap (oc) to pre-
vent contamination of the lubricant with foreign materi-
als (F
. 4).
IG
a. Inspect the strainer before filling the reservoir.
b. When needed, remove the strainer and clean
thoroughly.
c. If removed in Step b, install the strainer prior to
adding lubricant.
F
. 4
IG
. 1, page 6.
IG
oc
3A4033J

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